

臺大管理論叢
第
26
卷第
2
期
29
association between interaction variables (
Spec
*
Fee
and
Spec
*
Tenure
) and book-tax
difference (
BTD
). In sum, auditor industry expertise is associated with higher level of clients’
tax avoidance, and this association is more positive when auditor independence is lower. Our
early findings are proved again after controlling the potential sample selection bias.
Table 12 Second-stage Model: Association between Auditor Industry Expertise and
Tax Avoidance
Variables
(1)
Tax-avoidance = BETR
(2)
Tax-avoidance = CETR
(3)
Tax-avoidance = BTD
Spec = IMS_D Spec = IPS_D Spec = IMS_D Spec = IPS_D Spec = IMS_D Spec = IPS_D
Constant
-0.0754***
-0.0748***
-0.2330***
-0.2077***
2.1945***
3.0541***
(-3.30)
(-3.01)
(-9.09)
(-7.31)
(6.08)
(7.68)
Spec
0.0046
0.0230
-0.0241*
-0.0025
0.1785
1.3543***
(0.38)
(1.01)
(-1.78)
(-0.09)
(0.94)
(3.72)
Fee
0.0211
0.0263*
0.0039
-0.0018
0.0844
0.0705
(1.40)
(1.72)
(0.23)
(-0.10)
(0.36)
(0.29)
Tenure
0.0003
0.0004
0.0001
-0.0002
0.0189***
0.0159**
(0.61)
(0.90)
(0.13)
(-0.38)
(2.75)
(2.29)
Spec*Fee
-0.3869*
-0.4647**
-0.6219**
-0.5557**
10.1768***
9.8882***
(-1.74)
(-2.06)
(-2.49)
(-2.16)
(2.91)
(2.74)
Spec*Tenure
-0.0059
-0.0116***
-0.0112**
-0.0092*
0.1091
0.0680
(-1.24)
(-2.71)
(-2.09)
(-1.88)
(1.45)
(0.99)
Big10
-0.0081**
-0.0051**
-0.0077**
0.0016
0.1419***
0.1928***
(-2.49)
(-2.00)
(-2.10)
(0.55)
(2.76)
(4.71)
Soe
0.0033
0.0054**
0.0050*
0.0039
0.0292
0.0229
(1.37)
(2.20)
(1.85)
(1.37)
(0.77)
(0.58)
Size
0.0083***
0.0083***
0.0183***
0.0168***
0.7021***
0.6626***
(7.70)
(7.19)
(15.01)
(12.71)
(41.07)
(35.75)
Roa
0.0375***
0.0346***
0.0905***
0.0959***
0.1574
0.1328
(2.89)
(2.56)
(6.21)
(6.21)
(0.77)
(0.62)
Lev
-0.0159***
-0.0158***
-0.0393***
-0.0337***
1.5391***
1.4864***
(-2.86)
(-2.76)
(-6.32)
(-5.14)
(17.61)
(16.23)
CFO
0.0405***
0.0449***
0.0129
0.0143
0.3453*
0.2926
(3.32)
(3.59)
(0.94)
(1.00)
(1.79)
(1.47)
IMR
-0.0090
-0.0117
0.0188**
0.0023
-0.0235
-0.0794***
(-1.36)
(-0.94)
(2.53)
(0.16)
(-0.22)
(-4.00)
Year
Controlled
Controlled
Controlled
Controlled
Controlled
Controlled
Industry
Controlled Controlled Controlled Controlled Controlled Controlled
N
7660
7133
7660
7133
7660
7133